package com.atguigu.crowd.handler;

import com.atguigu.crowd.util.ResultEntity;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.data.redis.core.ValueOperations;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

import java.util.concurrent.TimeUnit;

@RestController
public class RedisHandler {

    @Autowired
    private StringRedisTemplate redisTemplate;


    @RequestMapping("/set/redis/key/value/remote")
    public ResultEntity<String> setRedisKeyValueRemote(
            @RequestParam("key") String key,
            @RequestParam("value") String value
    ){

        try {
            ValueOperations<String, String> operations = redisTemplate.opsForValue();

            operations.set(key, value);

            return ResultEntity.successWithoutData();
        }catch (Exception e){
            e.printStackTrace();
            return ResultEntity.failed(e.getMessage());
        }
    }

    //设置超时时间
    @RequestMapping("/set/redis/key/value/remote/with/timeout")
    public ResultEntity<String> setRedisKeyValueRemoteWithTimeOut(
            @RequestParam("key") String key,
            @RequestParam("value") String value,
            @RequestParam("time") long time,
            @RequestParam("TimeUnit") TimeUnit timeUnit
    ){
        try {

            ValueOperations<String, String> operations = redisTemplate.opsForValue();

            operations.set(key,value,time,timeUnit);

            return ResultEntity.successWithoutData();

        }catch (Exception e){
            e.printStackTrace();

            return ResultEntity.failed(e.getMessage());
        }
    }

    //根据可以获取值
    @RequestMapping("/get/redis/string/value/by/key/remote")
    public ResultEntity<String> getRedisStringValueByKeyRemote(
            @RequestParam("key") String key
    ){
        try {

            ValueOperations<String, String> operations = redisTemplate.opsForValue();

            String value = operations.get(key);

            return ResultEntity.successWithoutData(value);

        }catch (Exception e){
            e.printStackTrace();

            return ResultEntity.failed(e.getMessage());
        }
    }

    //根据可以移除
    @RequestMapping("/remove/redis/key/remote")
    public ResultEntity<String> removeRedisKeyRemote(
            @RequestParam("key") String key
    ){
        try {

           redisTemplate.delete(key);
            return ResultEntity.successWithoutData();

        }catch (Exception e){
            e.printStackTrace();

            return ResultEntity.failed(e.getMessage());
        }
    }
}
